Home / 11,550.48-15,939.65-6,245.29

Finding the Fourth Proportional to 11,550.48, 15,939.65 and 6,245.29

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Solution

The fourth proportional to 11,550.48, 15,939.65 and 6,245.29 is: 8,618.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.48 : 15,939.65 = 6,245.29 : x
  2. Step 2: Convert to fraction form
    11,550.48/15,939.65 = 6,245.29/x
  3. Step 3: Cross multiply
    11,550.48x = 15,939.65 × 6,245.29
  4. Step 4: Simplify right side
    11,550.48x = 99,547,736.75
  5. Step 5: Solve for x
    x = 99,547,736.75/11,550.48
  6. Step 6: Final answer
    x = 8,618.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.